Watch Maksym Osa (2022) HD Full Movie Free on SolarMovie. Watch Maksym Osa (2022) online free. Ukraine - 1636. Someone has attacked a battalion of cossacks that were transporting the gold of the ...Ukraine - 1636. Someone has attacked a battalion of cossacks that were transporting the gold of the Polish king. A cossack - Maksym Osa - tries to find the missing gold, but soon becomes one of the main suspects.